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455: Difference between revisions
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(year 1975 per Tekscope V7 N2) |
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{{Oscilloscope Sidebar | | {{Oscilloscope Sidebar | ||
|manufacturer=Tektronix | |||
summary=50 MHz dual channel portable scope | | |series=400-series scopes | ||
image=Tek 455 front.JPG | | |model=455 | ||
caption=Tektronix 455 | | |summary=50 MHz dual channel portable scope | ||
introduced=1975 | | |image=Tek 455 front.JPG | ||
discontinued=1980 | | |caption=Tektronix 455 | ||
manuals= | |introduced=1975 | ||
* [ | |discontinued=1980 | ||
* [ | |manuals= | ||
* [ | * [[Media:070-1907-01.pdf|Tektronix 455 Manual]] (bad-OCR) | ||
* [[Media:tek_455_schematics.pdf|Tektronix 455 Clean Schematics]] (bad-OCR) | |||
* [https://www.daqq.eu/?p=85 David 'daqq' Gustafik's Tek 455 Page] | |||
}} | }} | ||
The '''Tektronix 455''' is a 50 MHz dual-trace solid-state portable oscilloscope. | The '''Tektronix 455''' is a 50 MHz dual-trace solid-state portable oscilloscope. | ||
It is functionally similar to the [[453]] and can be seen | It is functionally similar to the [[453]] and can be seen as its successor. | ||
The 455 makes extensive use of integrated circuits and is smaller and lighter than the 453. | The 455 makes extensive use of integrated circuits and is smaller and lighter than the 453. | ||
{{MissingSpecs}} | |||
===Options=== | |||
* Option 4: Modifies the 455 to meet EMC requirements of MIL-STD-461A | |||
* Option 5: Adds a TV sync separator to the B2 module | |||
* Option 7: Permits the 455 to be powered from a 12 or 24 V<sub>DC</sub> source (making it compatible to the [[1106]] battery pack) | |||
* Option 78: Changes the CRT to P11 phosphor | |||
==Links== | |||
{{Documents|Link=455}} | |||
==Internals == | |||
The final stage of the 455 vertical amplifier employs a differential pair of triple-stacked NPN transistors. | The final stage of the 455 vertical amplifier employs a differential pair of triple-stacked NPN transistors. | ||
The purpose of the stacking is to get higher voltage swing and to eliminate the need for a heat sink. | The purpose of the stacking is to get higher voltage swing and to eliminate the need for a heat sink. | ||
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Triggering is done with [[155-0121-00]] chips, one per channel. | Triggering is done with [[155-0121-00]] chips, one per channel. | ||
== | ==Prices== | ||
{| class="wikitable" | |||
|- | |||
! Year | |||
! 1980 | |||
|- | |||
! Catalog Price | |||
|align=right| $2,215 | |||
|- | |||
! In 2023 Dollars | |||
|align=right| $8,300 | |||
|} | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek 455 trace.jpg | |||
Tek 455 front.JPG | |||
Tek 455 rear.jpg | |||
Tek 455 vertstack.png | Stacked vertical amp | |||
</gallery> | </gallery> | ||
==Components== | |||
{{Parts|455}} | |||
[[Category:400 series scopes]] | [[Category:400 series scopes]] | ||